IWH 19048 auto relé 30 A 12 V DC SPST-NO 4-pin Plug-in

In a 12 V vehicle electrical system, the IWH 19048 relay switches high-current circuits such as headlights, horns, radiator fans, or fuel pumps. It is a plug-in relay with four blade terminals and a normally open contact, rated for 30 A switching current.

Key specifications

• Nominal coil voltage: 12 V DC
• Max switching current: 30 A
• Contact configuration: SPST-NO (normally open)
• Number of terminals: 4
• Mounting style: Plug-in
• Terminal type: Blade
• Housing material: Plastic
• Colour: Black

Why choose it

This relay is a universal replacement for many 12 V automotive applications. Its plug-in design allows quick installation without soldering, and the 30 A rating handles demanding loads.

Ideal use cases

• Switching auxiliary lights or horns
• Controlling radiator fans or electric fuel pumps
• Replacing a failed relay in a fuse box

Good to know

The relay has a plastic housing and blade terminals that fit standard automotive relay sockets. Verify the terminal layout before installation.